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reinstalled firfox and now some youtube vids give the "your browser does not currently recognise any of the video formats" error, its only some vids

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its only some videos. it only started after a fresh install. i have no youtube addons

its only some videos. it only started after a fresh install. i have no youtube addons

Дополнительные сведения о системе

Приложение

  • Firefox 65.0.1
  • User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:65.0) Gecko/20100101 Firefox/65.0
  • URL поддержки: https://support.mozilla.org/1/firefox/65.0.1/WINNT/en-GB/

Расширения

  • Adblock Plus - free ad blocker 3.4.3 ({d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d}) (Неактивно)
  • AdBlocker Ultimate 2.37 (adblockultimate@adblockultimate.net) (Неактивно)
  • Avast Online Security 18.3.24 (wrc@avast.com) (Неактивно)
  • Chrome Store Foxified 3.4 (Chrome-Store-Foxified@jetpack) (Неактивно)
  • Dark TwitchTV Theme 0.7.19 (jid1-mAg71D89FNiohQ@jetpack) (Неактивно)
  • Enhanced Steam 10.0 (jid1-YdiFiTEkQgInxA@jetpack) (Неактивно)
  • FrankerFaceZ 4.0 (frankerfacez@frankerfacez.com) (Неактивно)
  • Grammarly for Firefox 8.845.2049 (87677a2c52b84ad3a151a4a72f5bd3c4@jetpack) (Неактивно)
  • Honey 11.1.0 (jid1-93CWPmRbVPjRQA@jetpack) (Неактивно)
  • Strict Pop-up Blocker 0.6 (jid1-P34HaABBBpOerQ@jetpack) (Неактивно)
  • The FFZ Add-On Pack 3.2.1 (@ffz-ap) (Неактивно)
  • uBlock Origin 1.18.4 (uBlock0@raymondhill.net) (Неактивно)

Javascript

  • incrementalGCEnabled: True

Графика

  • adapterDescription: AMD Radeon (TM) R9 390 Series
  • adapterDescription2:
  • adapterDeviceID: 0x67b1
  • adapterDeviceID2:
  • adapterDrivers: aticfx64 aticfx64 aticfx64 amdxc64 aticfx32 aticfx32 aticfx32 amdxc32 atiumd64 atidxx64 atidxx64 atiumdag atidxx32 atidxx32 atiumdva atiumd6a
  • adapterDrivers2:
  • adapterRAM: 8192
  • adapterRAM2:
  • adapterSubsysID: 00000000
  • adapterSubsysID2:
  • adapterVendorID: 0x1002
  • adapterVendorID2:
  • contentUsesTiling: False
  • crashGuards: []
  • direct2DEnabled: False
  • direct2DEnabledMessage: [u'']
  • directWriteEnabled: True
  • directWriteVersion: 10.0.17134.376
  • driverDate: 2-12-2019
  • driverDate2:
  • driverVersion: 25.20.15021.1007
  • driverVersion2:
  • featureLog: {u'fallbacks': [], u'features': [{u'status': u'blocked', u'description': u'Compositing', u'log': [{u'status': u'available', u'type': u'default'}, {u'status': u'blocked', u'message': u'Acceleration blocked by safe-mode', u'type': u'runtime'}], u'name': u'HW_COMPOSITING'}, {u'status': u'unavailable', u'description': u'Direct3D11 Compositing', u'log': [{u'status': u'unavailable', u'message': u'Hardware compositing is disabled', u'type': u'default'}], u'name': u'D3D11_COMPOSITING'}, {u'status': u'unavailable', u'description': u'Direct2D', u'log': [{u'status': u'unavailable', u'message': u'Direct2D requires Direct3D 11 compositing', u'type': u'default'}], u'name': u'DIRECT2D'}, {u'status': u'disabled', u'description': u'Direct3D11 hardware ANGLE', u'log': [{u'status': u'unavailable', u'message': u'D3D11 compositing is disabled', u'type': u'default'}, {u'status': u'disabled', u'message': u'D3D11 compositing is disabled', u'type': u'env'}], u'name': u'D3D11_HW_ANGLE'}, {u'status': u'blocked', u'description': u'GPU Process', u'log': [{u'status': u'available', u'type': u'default'}, {u'status': u'blocked', u'message': u'Safe-mode is enabled', u'type': u'runtime'}], u'name': u'GPU_PROCESS'}, {u'status': u'unavailable', u'description': u'WebRender', u'log': [{u'status': u'opt-in', u'message': u'WebRender is an opt-in feature', u'type': u'default'}, {u'status': u'unavailable', u'message': u'ANGLE is disabled', u'type': u'runtime'}], u'name': u'WEBRENDER'}, {u'status': u'blocked', u'description': u'WebRender qualified', u'log': [{u'status': u'available', u'type': u'default'}, {u'status': u'blocked', u'message': u'Not Nvidia', u'type': u'env'}], u'name': u'WEBRENDER_QUALIFIED'}, {u'status': u'blocked', u'description': u'Off Main Thread Painting', u'log': [{u'status': u'available', u'type': u'default'}, {u'status': u'blocked', u'message': u'OMTP blocked by safe-mode', u'type': u'runtime'}], u'name': u'OMTP'}]}
  • info: {u'ApzWheelInput': 1, u'ApzDragInput': 1, u'ApzKeyboardInput': 1, u'ApzAutoscrollInput': 1, u'AzureFallbackCanvasBackend': u'cairo', u'AzureCanvasAccelerated': 0, u'AzureCanvasBackend': u'skia', u'AzureContentBackend': u'skia'}
  • isGPU2Active: False
  • numAcceleratedWindows: 0
  • numAcceleratedWindowsMessage: [u'']
  • numTotalWindows: 1
  • offMainThreadPaintEnabled: False
  • offMainThreadPaintWorkerCount: 0
  • usesTiling: False
  • webgl1DriverExtensions: -
  • webgl1Extensions: -
  • webgl1Renderer: WebGL is currently disabled.
  • webgl1Version: -
  • webgl1WSIInfo: -
  • webgl2DriverExtensions: -
  • webgl2Extensions: -
  • webgl2Renderer: WebGL is currently disabled.
  • webgl2Version: -
  • webgl2WSIInfo: -
  • windowLayerManagerRemote: True
  • windowLayerManagerType: Basic
  • windowUsingAdvancedLayers: False

Изменённые настройки

Разное

  • User JS: Нет
  • Доступность: Нет
philipp
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5320 решений 23502 ответов
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hi, what results does https://www.youtube.com/html5 show?

hi, what results does https://www.youtube.com/html5 show?

Задавший вопрос

this is what it shows

this is what it shows

Задавший вопрос

even in safe mode the same video will not play

even in safe mode the same video will not play
philipp
  • Top 25 Contributor
  • Moderator
5320 решений 23502 ответов
Размещено

thanks, do you happen to use a N version of windows (shipping without media codecs)? if so you might need to install the media feature pack offered by microsoft to be able to playback all formats: Fix video and audio playback problems on Firefox for Windows

in addition to that, please enter about:config into the firefox address bar (confirm the info message in case it shows up) & search for the preference named media.wmf.vp9.enabled. double-click it and change its value to false - otherwise users of the media feature pack on windows 10 v1809 might observe frequent tab crashes currently...

thanks, do you happen to use a N version of windows (shipping without media codecs)? if so you might need to install the media feature pack offered by microsoft to be able to playback all formats: [[Fix video and audio playback problems on Firefox for Windows]] in addition to that, please enter '''about:config''' into the firefox address bar (confirm the info message in case it shows up) & search for the preference named '''media.wmf.vp9.enabled'''. double-click it and change its value to '''false''' - otherwise users of the media feature pack on windows 10 v1809 might observe frequent tab crashes currently...

Изменено philipp

Задавший вопрос

i did the config bit but none of the downloads are for my windows

i did the config bit but none of the downloads are for my windows
philipp
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  • Moderator
5320 решений 23502 ответов
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what's your exact version/edition of windows then? https://www.howtogeek.com/236195/how-to-find-out-which-build-and-version-of-windows-10-you-have/

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but the 1802 download gives this message

but the 1802 download gives this message

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  • 1803
*1803
philipp
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5320 решений 23502 ответов
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oh yap, then it's no N version and the article doesn't apply...

can you check that media.mp4.enabled is enabled in about:config or else try to refresh firefox? Refresh Firefox - reset add-ons and settings

oh yap, then it's no N version and the article doesn't apply... can you check that media.mp4.enabled is enabled in about:config or else try to refresh firefox? [[Refresh Firefox - reset add-ons and settings]]

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still got the same problem

still got the same problem

Задавший вопрос

i guess i just cant use firefox anymore

i guess i just cant use firefox anymore

Задавший вопрос

i have had a windows error something about system32/mfperfhelper.dll not meant to run on windows or corrupted, and nothing i do helps so ill just assume they are connected

i have had a windows error something about system32/mfperfhelper.dll not meant to run on windows or corrupted, and nothing i do helps so ill just assume they are connected
philipp
  • Top 25 Contributor
  • Moderator
5320 решений 23502 ответов
Размещено

yes, unfortunately h.264 is a closed codec asking for royalties so firefox doesn't ship with it out of the box and would rely on the capabilities of the operating system or the graphics hardware to playback such videos.

unfortunately if you've already refreshed firefox, your windows is a normal edition (not N) and your graphics driver is pretty fresh out of the box i'm out of ideas what might go wrong here fairly quickly :-/

yes, unfortunately h.264 is a closed codec asking for royalties so firefox doesn't ship with it out of the box and would rely on the capabilities of the operating system or the graphics hardware to playback such videos. unfortunately if you've already refreshed firefox, your windows is a normal edition (not N) and your graphics driver is pretty fresh out of the box i'm out of ideas what might go wrong here fairly quickly :-/